CVE-2017-12842
mediumpriority · track · 31EPSS 0.022 · 83 %ileEUUSEPSS · scored 2026-10-28
Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/cnnvd
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposurescnnvd
- https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-February/016697.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2017-12842cnnvd
- https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/enisa_euvd
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposuresenisa_euvd
- https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-February/016697.htmlenisa_euvd
- https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/Third Party Advisorynvd
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